275808-63-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 275808-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,5,8,0 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 275808-63:
(8*2)+(7*7)+(6*5)+(5*8)+(4*0)+(3*8)+(2*6)+(1*3)=174
174 % 10 = 4
So 275808-63-4 is a valid CAS Registry Number.